import { DatabaseClient } from '../common/database';
import { ListenerConfig } from '../common/listener-config';
import { StoredTransactionalMessage } from './transactional-message';
/**
 * Marks the message as handled by setting the processed_at date to the current date and time.
 * It also increases the finished_attempts count by one.
 * @param message The message to acknowledge.
 * @param client The database client. Must be part of the transaction where the message handling changes are done.
 * @param config The configuration settings that defines database schema.
 */
export declare const markMessageCompleted: ({ id }: StoredTransactionalMessage, client: DatabaseClient, { settings }: Pick<ListenerConfig, "settings">) => Promise<void>;
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